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There are many tutorials about SPI. Here is a summary of my study of SPI protocol. What is SPI? SPI is the abbreviation of Serial Peripheral Interface Bus, which means serial peripheral interface. It is a synchronous serial communication interface standard for short distance communication, mainly used in embedded system. This in ...

Code reference http://bbs.csdn.net/topics/391070227?page=1     Here is the posted Code: public void dealListWithMutiThread(){ List<Object> list = new ArrayList<Object>(10000); int index = 0; ExecutorService ex = Executors.newFixedThreadPool(5); int dealSize = 2000; List&l ...

Abstract: LeNet-5 is a convolutional neural network designed by Yann LeCun in 1998 for handwritten digit recognition. Most American banks used it to recognize handwritten digits on cheques. It is one of the most representative experimental systems in the early convolutional neural network. It can be said that LeNet-5 is equivalent to "H ...

1. Feedback from fans Q: stream is five times slower than for loops. What is the reason for this? Answer: The Internet is a time when news is flooding. Three people become tigers when something is false and real happens.As a technology developer, you have to do it yourself. Don't let the world go by. Indeed, I've read this article by this fan, ...

Singleton pattern is one of the simplest design patterns in Java. It means that a class always has only one instance during its running. We call it singleton pattern. It is not only used in practical work, but also one of the most frequently tested questions in interview. Through the singleton mode, we ...

Istio 1.6.3 released. Istio is an open source project jointly developed by Google, IBM and Lyft, aiming to provide a unified way of microservice connection, security, management and monitoring. Specifically, istio is an open source services grid platform, which ensures that microservices are interconnected in a specified way when they handle ...

Author: attapulgite - Anthology background Attaman is a small program developer, he wants to implement the countdown of seconds in small programs. Without thinking about it, he wrote the following code: Page({ init: function () { clearInterval(this.timer) this.timer = setInterval(() => { // Countdown calculation logic c ...

Catalog Hadoop configuration (non-HA) To configure Hadoop-env.sh Hdfs Yarn MapReduce Worker File Startup and Validation problem Hadoop configuration (non-HA) Hadoop is a distributed, highly available batch processing framework. Hadoop for CDH comes with other components such as Hbase, H ...

Contents of this series of historical articles: ESP32 overview and Arduino software preparation Introduction to the programming of ESP32 GPIO interface Bluetooth pager (PPT controller) Novel coronavirus pneumonia epidemic data real-time display Fan counter of station B Siri voice recognition control LED Getting sensor data from Siri speech rec ...

catalog Article catalog catalog Stack The characteristics and structure of stack Operation set of stack Pseudo code example Declaration stack structure Define stack operation function Application example Bracket matching problem: Reference documents Stack First of all, we need to explain t ...